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31044117908 = 227761029477
BaseRepresentation
bin11100111010010111…
…111010010110010100
32222010111222120212202
4130322113322112110
51002034243233113
622132251104032
72146205435246
oct347227722624
988114876782
1031044117908
11121906602a1
126024742018
132c097ab24b
141706d9c096
15c1a622258
hex73a5fa594

31044117908 has 6 divisors (see below), whose sum is σ = 54327206346. Its totient is φ = 15522058952.

The previous prime is 31044117883. The next prime is 31044117943. The reversal of 31044117908 is 80971144013.

It can be written as a sum of positive squares in only one way, i.e., 30841681924 + 202435984 = 175618^2 + 14228^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3880514735 + ... + 3880514742.

It is an arithmetic number, because the mean of its divisors is an integer number (9054534391).

Almost surely, 231044117908 is an apocalyptic number.

It is an amenable number.

31044117908 is a deficient number, since it is larger than the sum of its proper divisors (23283088438).

31044117908 is a wasteful number, since it uses less digits than its factorization.

31044117908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7761029481 (or 7761029479 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 31044117908 in words is "thirty-one billion, forty-four million, one hundred seventeen thousand, nine hundred eight".

Divisors: 1 2 4 7761029477 15522058954 31044117908